21009870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33349}}^1$

素因数の和:33369

約数の個数: 48

約数和(自身を含む): 62431200

約数和(自身を除く): 41421330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33349, 66698, 100047, 166745, 200094, 233443, 300141, 333490, 466886, 500235, 600282, 700329, 1000470, 1167215, 1400658, 1500705, 2100987, 2334430, 3001410, 3501645, 4201974, 7003290, 10504935, 21009870]

約数ペア:

[(1, 21009870), (2, 10504935), (3, 7003290), (5, 4201974), (6, 3501645), (7, 3001410), (9, 2334430), (10, 2100987), (14, 1500705), (15, 1400658), (18, 1167215), (21, 1000470), (30, 700329), (35, 600282), (42, 500235), (45, 466886), (63, 333490), (70, 300141), (90, 233443), (105, 200094), (126, 166745), (210, 100047), (315, 66698), (630, 33349)]